Table 2 in We are the Crystal Gems: taxonomic revision of the gem-fruited species of Commelina L. (Commelinaceae, Commelinales) and their allies

Table 2. Diagnostic field characters for the gem-fruited species of the Commelina robusta group. CharactersCommelina bambusifoliaCommelina huntiiCommelina robustaCommelina scabrataCommelina sugariae sp. nov.Commelina vestitaGrowth formAscendingProstrate to ascendingProstrate, ascending or scramblingAscendingAscendingErectPedicelGlabrousGlabrousGlabrousGlabrousPuberulous at apex with glandular microhairsGlabrousPaired petal limbLight blue to pale lilac, base cuneateWhite, base subcordate to cordatePale lilac to lilac or light blue to blue, rarely white, base cordate to sagittateLight blue to blue to sky blue, base cordate to sagittateSky blue, base cuneateSky blue, base cordate to sagittateMedial petalWhite, entire, apex involute, glabrous on both sidesWhite, 2-auriculate, apex involute, glabrous on both sidesLight blue to pale lilac, rarely white, entire, completely involute, abaxially puberulous at base with glandular microhairsLight blue to pale lilac, entire, completely involute, glabrous on both sidesWhite, entire, apex involute, glabrous on both sidesWhite, entire, apex slightly involute, glabrous on both sidesLateral anthersOrange-yellow to orangePale orange-yellow to pale apricot-coloured tinted purple to atro-purpureousOrange-yellow to orangeOrange-yellow to orangeOrange-yellow to apricotPale orange-yellow to pale apricotMedial anther connectiveOrangePale orange-yellow to pale apricot, with a vinaceous to atro-vinaceous spot at centreOrange-yellow to orange, with an atro-vinaceous to maroon spot at centreOrangeOrange-yellow to apricot, with an orangebrown spot at centrePale orange-yellow to pale apricot, with a vinaceous to atro-vinaceous spot at centreCapsules1–2 per spathe, off-white, opaque, smooth1–2 per spathe, tancoloured, shiny, sparsely black-papillose3–5 per spathe, tan-coloured, shiny, smooth1–2 per spathe, prismatic, off-white with tan-coloured speckles, opaque, verrucose3–5 per spathe, tancoloured, shiny, smooth6–9 per spathetan-coloured when mature, shiny, smoothSeedsMonomorphic, brown to greyish-brown, free from the fruit wall, widely ellipsoid, slightly cleft towards the embryotega, testa smooth to inconspicuously foveolate, farinose with farinae white, embryotega semilateral, with a prominent apicule, hilum C-shaped and ca. the same length of the seedDimorphic, dark brown with orange-brown verrucae, adnate to (dorsal) or free from the fruit wall (ventral), ellipsoid, not cleft towards the embryotega, testa shallowly foveolate (dorsal) or foveolate (ventral), non-farinose (dorsal) or slightly farinose with farinae apricot, embryotega semilateral, without a prominent apicule, hilum linear (dorsal) or curved (ventral), ca. ½ the length of the seedDimorphic, brown to dark brown, adnate to (dorsal) or free from the fruit wall (ventral), widely ellipsoid (dorsal) or ellipsoid to reniform (ventral), slightly cleft towards the embryotega (dorsal) or not (ventral), testa foveolate (dorsal) or rugose-foveolate (ventral), non-farinose (dorsal) or slightly farinose with farinae white, embryotega semilateral, with a prominent apicule, hilum linear (dorsal) or curved (ventral), ca. ½ the length of the seedDimorphic, brown to dark brown, adnate to (dorsal) or free from the fruit wall (ventral), ellipsoid (dorsal) or ellipsoid to slightly falcate (ventral), slightly cleft towards the embryotega (dorsal) or not (ventral), testa shallowly foveolate (dorsal) or sparsely echinate (ventral), non-farinose (dorsal) or sparsely farinose with farinae wite, embryotega semidorsal (dorsal) or semilateral (ventral), with a prominent apicule (ventral) or not, hilum linear (dorsal) or ca. C-shaped (ventral) and ca. same length as the seedMonomorphic, brown to dark brown, free from the fruit wall, ellipsoid, slightly cleft towards the embryotega, testa foveolate rugose-foveolate, slightly farinose with farinae white, embryotega semilateral, with a prominent apicule, hilum curved and longer than ½ the length of the seedDimorphic, brown to dark brown, adnate to (dorsal) or free from the fruit wall (ventral), ellipsoid (dorsal) or ellipsoid to reniform (ventral), slightly cleft towards the embryotega (dorsal) or not (ventral), testa foveolate (dorsal) or rugose-foveolate (ventral), non-farinose (dorsal) or slightly farinose with farinae white, embryotega semilateral, with a prominent apicule, hilum linear, ca. ½ the length of the seed and on a weak ridge (dorsal) or curved and ca. ½ the length of the seed (ventral)